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ompi_info - Display information about the Open MPI installation
ompi_info [options]
ompi_info provides detailed
information about the Open MPI installation. It can be useful for at least
three common scenarios:
1. Checking local configuration and seeing how Open
MPI was installed.
2. Submitting bug reports / help requests to the Open
MPI community (see https://www.open-mpi.org/community/help/)
3. Seeing a list
of installed Open MPI plugins and querying what MCA parameters they support.
ompi_info accepts the following options:
- -a|--all
- Show all configuration
options and MCA parameters
- --arch
- Show architecture Open MPI was compiled
on
- -c|--config
- Show configuration options
- -gmca|--gmca <param> <value>
- Pass global
MCA parameters that are applicable to all contexts.
- -h|--help
- Shows help / usage
message
- --hostname
- Show the hostname that Open MPI was configured and built
on
- --internal
- Show internal MCA parameters (not meant to be modified by users)
- --level
- Show only variables with at most this level (1-9). The default is 1
unless --all is specified without --level in which case the default is 9. See
the LEVEL section for more information.
- -mca|--mca <param> <value>
- Pass context-specific
MCA parameters; they are considered global if --gmca is not used and only
one context is specified.
- --param <type> <component>
- Show MCA parameters. The
first parameter is the type of the component to display; the second parameter
is the specific component to display (or the keyword "all", meaning "display
all components of this type").
- --parsable
- When used in conjunction with other
parameters, the output is displayed in a machine-parsable format --parseable
Synonym for --parsable
- --path <type>
- Show paths that Open MPI was configured
with. Accepts the following parameters: prefix, bindir, libdir, incdir,
pkglibdir, sysconfdir.
- --pretty
- When used in conjunction with other parameters,
the output is displayed in ’prettyprint’ format (default)
- --selected-only
- Show
only variables from selected components.
- -V|--version
- Show version of Open MPI.
- Basic information of interest to users
- Detailed information
of interest to users
- All remaining information of interest to users
- Basic information required for tuning
- Detailed information required for
tuning
- All remaining information required for tuning
- Basic information
for MPI implementors
- Detailed information for MPI implementors
- All remaining
information for MPI implementors
- ompi_info
- Show the default
output of options and listing of installed components in a human-readable
/ prettyprint format.
- ompi_info --parsable
- Show the default output of options
and listing of installed components in a machine-parsable format.
- ompi_info
--param btl openib
- Show the MCA parameters of the "openib" BTL component
in a human-readable / prettyprint format.
- ompi_info --param btl openib --parsable
- Show the MCA parameters of the "openib" BTL component in a machine-parsable
format.
- ompi_info --path bindir
- Show the "bindir" that Open MPI was configured
with.
- ompi_info --version ompi full --parsable
- Show the full version numbers
of Open MPI (including the ORTE and OPAL version numbers) in a machine-readable
format.
- ompi_info --version btl major
- Show the major version number of all
BTL components in a prettyprint format.
- ompi_info --version btl:tcp minor
- Show the minor version number of the TCP BTL component in a prettyprint
format.
- ompi_info --all
- Show all information about the Open MPI installation,
including all components that can be found, the MCA parameters that they
support, versions of Open MPI and the components, etc.
The Open
MPI maintainers -- see http://www.openmpi.org/ or the file AUTHORS.
This manual
page was originally contributed by Dirk Eddelbuettel <email-address-removed>, one
of the Debian GNU/Linux maintainers for Open MPI, and may be used by others.
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